fix: i18n $t 报错

src/i18n.d.ts

@@ -0,0 +1,9 @@
+/* eslint-disable no-unused-vars */
+export {}
+
+declare module 'vue' {
+  interface ComponentCustomProperties {
+    $t: (key: string) => string
+    $tm: (key: string) => [] | { [p: string]: any }
+  }
+}